Canon Laser Shot LBP5970 User Manual page 460

Thin lines and thin text blot.
Cause When you were using the PS printer driver, certain thin lines and text were
subject to constraint of an internal process.
Remedy 1 Adjust the colors in the application and print again. (See the instruction manual
supplied with your application)
Remedy 2 Make the lines bold or use a bold font for the text, then print again.
Remedy 3 Set B & W HALFTONES (See p. 5-100) or COLOR HALFTONES (See p. 5-101)
in the PS options to ERR DIFFUSION or RESOLUTION.
Also, you can specify the same setting in the PS printer driver. For more details,
see Help of the PS printer driver.
Remedy 4 If you are using Illustrator 8.0 or later for Windows as an application, set the
setting for [Bitmap Print] to off. (See the instruction manual supplied with
Illustrator)
Remedy 5 Set OUTPUT PROFILE (See p. 5-97) in the PS options to TR Normal or TR
Photo.
If [Collate] is specified when data is printed from the PostScript application, the
printed colors are different from the original colors of the data.
Cause Data was printed with [Collate] specified from the PS printer driver when
an optional hard disk was not installed. (The RGB-based color model was
used via GDI.)
Remedy 1 Set [Finishing] to [Group] in the printer driver.
In order to specify the setting for [Finishing], display the [Finishing] sheet.
NOTE
If an optional hard disk is not installed, you cannot print data without changing the
original colors with [Collate] specified from the PostScript application.
Remedy 2 Install an optional hard disk.
Streaks, flaws, or unevenness of gloss appears in the areas dense in color.
Cause The drum cartridge has been deteriorated or is damaged, or a problem
has occurred in the fixing unit.
Remedy See "When Any Print Defect Appears" (p. 7-69) and solve the problem.
NOTE
The samples are provided in "Print Defect Samples" (See p. 7-91).
When You Cannot Obtain Appropriate Printout Results
7
7-65